Processors: -Up to Intel® CoreTM 2 Quad E6550 (2.33 GHz, 1066FSB, 8MB L2 cache) Chipset: -Intel® G33 chipset Memory -Up to 4GB89 Dual-Channel DDR244 SDRAM11 (667MHz or 800MHz) Hard Drives -Up to 2 Hard Drives (Maximum 1TB with two 500GB hard drives) Expansion Slots: -PCI: 2 Slots -PCIe x1: 1 Slot -PCIe x16 (Graphics): 1 Slot Optical & Other External Bay Devices: -16X DVD-ROM10 Drive -48X CDRW/16X DVDROM Combo Drive -16X DVD+/-RW12 Drive -48X COMBO & 16X DVD+/-RW12 DUAL DRIVE -16X DVD-ROM & 16X DVD+/-RW12 DUAL DRIVE -Dell 19-in-1 Media Card Reader -Internal Floppy Disk Drive -External USB Floppy Disk Drive